20072561481

素因数分解:

$3^4\times 7^1\times {\mathrm{35401343}}^1$

素因数の和:35401362

約数の個数: 20

約数和(自身を含む): 34268500992

約数和(自身を除く): 14195939511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35401343, 106204029, 247809401, 318612087, 743428203, 955836261, 2230284609, 2867508783, 6690853827, 20072561481]

約数ペア:

[(1, 20072561481), (3, 6690853827), (7, 2867508783), (9, 2230284609), (21, 955836261), (27, 743428203), (63, 318612087), (81, 247809401), (189, 106204029), (567, 35401343)]